Ambrostoma koreana Cho & Borowiec

Figures 1–2.Habitus of Ambrostoma koreana sp. n., holotype. 1 dorsal view 2 ventral view.

Figure 20.Larvae inside the abdomen of female of Ambrostoma koreana sp. n.

Figures 3–7.Adult of Ambrostoma koreana sp. n. 3 antenna 4 aedeagus lateral view 5 aedeagus dorsal view 6 aedeagus with everted internal sac laternal view7 spermatheca.

Figure 19.Overwintered adults of Ambrostoma koreana sp. n.

Figures 15–16.Schematic presentation of tubercular patterns (top: prothorax, middle: mesothorax, bottom: 2nd abdominal segment). 15 first instar larva 16 last instar larva.

Figures 17–18.Larvae of Ambrostoma koreana sp. n. on leaves of Zelkova serrata. 17 first instar larva 18 last instar larva.

Figures 8–14.Last instar larva of Ambrostoma koreana sp. n. 8 habitus 9 head 10 sclerotized platelets on dorsal mesothorax 11 labrum 12 tibia and tarsungulus 13 mandible 14 lower mouthparts.